[Passkey #10] Add sample code for passkey sign in and enrollment

FirebaseAuth/Tests/Sample/Sample/MainViewController+OAuth.m

@@ -434,53 +434,76 @@ - (void)revokeAppleTokenAndDeleteUser {
 }
 
 - (void)authorizationController:(ASAuthorizationController *)controller didCompleteWithAuthorization:(ASAuthorization *)authorization API_AVAILABLE(ios(13.0)) {
-  ASAuthorizationAppleIDCredential* appleIDCredential = authorization.credential;
-  NSString *IDToken = [NSString stringWithUTF8String:[appleIDCredential.identityToken bytes]];
-  FIROAuthCredential *credential =
-      [FIROAuthProvider appleCredentialWithIDToken:IDToken
-                                          rawNonce:self.appleRawNonce
-                                          fullName:appleIDCredential.fullName];
-
-  if ([appleIDCredential.state isEqualToString:@"signIn"]) {
-    [FIRAuth.auth signInWithCredential:credential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
-      if (!error) {
-        NSLog(@"%@", authResult.description);
-      } else {
-        NSLog(@"%@", error.description);
-      }
-    }];
-  } else if ([appleIDCredential.state isEqualToString:@"link"]) {
-    [FIRAuth.auth.currentUser linkWithCredential:credential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
-      if (!error) {
-        NSLog(@"%@", authResult.description);
-      } else {
-        NSLog(@"%@", error.description);
-      }
-    }];
-  } else if ([appleIDCredential.state isEqualToString:@"reauth"]) {
-    [FIRAuth.auth.currentUser reauthenticateWithCredential:credential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
-      if (!error) {
-        NSLog(@"%@", authResult.description);
-      } else {
-        NSLog(@"%@", error.description);
-      }
-    }];
-  } else if ([appleIDCredential.state isEqualToString:@"revokeAppleTokenAndDeleteUser"]) {
-      NSString *code = [[NSString alloc] initWithData:appleIDCredential.authorizationCode encoding:NSUTF8StringEncoding];
+  if (@available(iOS 16.0, *)) {
+    if ([authorization.credential isKindOfClass: [ASAuthorizationPlatformPublicKeyCredentialRegistration class]]) {
+      ASAuthorizationPlatformPublicKeyCredentialRegistration *platformCredential = (ASAuthorizationPlatformPublicKeyCredentialRegistration*) authorization.credential;
+
       FIRUser *user = FIRAuth.auth.currentUser;
-      [FIRAuth.auth revokeTokenWithAuthorizationCode:code completion:^(NSError * _Nullable error) {
+      [user finalizePasskeyEnrollmentWithPlatformCredential:platformCredential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
+        [self log:[NSString stringWithFormat:@"Passkey Enrollment succeed with uid: %@", authResult.user.uid]    ];
+        [self showTypicalUIForUserUpdateResultsWithTitle:@"Enrollment with passkey" error:error];
+      }];
+
+      } else if ([authorization.credential isKindOfClass: [ASAuthorizationPlatformPublicKeyCredentialAssertion class]]) {
+          ASAuthorizationPlatformPublicKeyCredentialAssertion *platformCredential = (ASAuthorizationPlatformPublicKeyCredentialAssertion*) authorization.credential;
+        [[AppManager auth] finalizePasskeySignInWithPlatformCredential:platformCredential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
+          [self log:[NSString stringWithFormat:@"Passkey sign-in succeed with uid: %@", authResult.user.uid]];
+          [self showTypicalUIForUserUpdateResultsWithTitle:@"Sign in with passkey" error:error];
+
+        }];
+      }
+  } else if ([authorization.credential isKindOfClass: [ASAuthorizationAppleIDCredential class]]) {
+      ASAuthorizationAppleIDCredential* appleIDCredential = authorization.credential;
+      NSString *IDToken = [NSString stringWithUTF8String:[appleIDCredential.identityToken bytes]];
+      FIROAuthCredential *credential =
+          [FIROAuthProvider appleCredentialWithIDToken:IDToken
+                                              rawNonce:self.appleRawNonce
+                                              fullName:appleIDCredential.fullName];
+
+      if ([appleIDCredential.state isEqualToString:@"signIn"]) {
+        [FIRAuth.auth signInWithCredential:credential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
           if (!error) {
-              // Token revocation succeeded then delete user again.
-              [user deleteWithCompletion:^(NSError *_Nullable error) {
-                if (error) {
-                  [self logFailure:@"delete account failed" error:error];
-                }
-                [self showTypicalUIForUserUpdateResultsWithTitle:@"Delete User" error:error];
-              }];
+            NSLog(@"%@", authResult.description);
           } else {
             NSLog(@"%@", error.description);
           }
-      }];
+        }];
+      } else if ([appleIDCredential.state isEqualToString:@"link"]) {
+        [FIRAuth.auth.currentUser linkWithCredential:credential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
+          if (!error) {
+            NSLog(@"%@", authResult.description);
+          } else {
+            NSLog(@"%@", error.description);
+          }
+        }];
+      } else if ([appleIDCredential.state isEqualToString:@"reauth"]) {
+        [FIRAuth.auth.currentUser reauthenticateWithCredential:credential completion:^(FIRAuthDataResult * _Nullable authResult, NSError * _Nullable error) {
+          if (!error) {
+            NSLog(@"%@", authResult.description);
+          } else {
+            NSLog(@"%@", error.description);
+          }
+        }];
+      } else if ([appleIDCredential.state isEqualToString:@"revokeAppleTokenAndDeleteUser"]) {
+          NSString *code = [[NSString alloc] initWithData:appleIDCredential.authorizationCode encoding:NSUTF8StringEncoding];
+          FIRUser *user = FIRAuth.auth.currentUser;
+          [FIRAuth.auth revokeTokenWithAuthorizationCode:code completion:^(NSError * _Nullable error) {
+              if (!error) {
+                  // Token revocation succeeded then delete user again.
+                  [user deleteWithCompletion:^(NSError *_Nullable error) {
+                    if (error) {
+                      [self logFailure:@"delete account failed" error:error];
+                    }
+                    [self showTypicalUIForUserUpdateResultsWithTitle:@"Delete User" error:error];
+                  }];
+              } else {
+                NSLog(@"%@", error.description);
+              }
+          }];
+        }
+    } else {
+      // TODO signInCredential
+      [self log:@"credential type not found or OS version too low."];
     }
 }
 

FirebaseAuth/Tests/Sample/Sample/MainViewController+Passkey.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+#import "MainViewController.h"
+
+#import "StaticContentTableViewManager.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MainViewController (Passkey)
+
+- (StaticContentTableViewSection *)passkeySection;
+
+@end
+
+NS_ASSUME_NONNULL_END

FirebaseAuth/Tests/Sample/Sample/MainViewController+Passkey.m

@@ -0,0 +1,103 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#import "MainViewController+Passkey.h"
+#import "AppManager.h"
+#import "MainViewController+Internal.h"
+#import <AuthenticationServices/AuthenticationServices.h>
+
+
+NS_ASSUME_NONNULL_BEGIN
+@interface MainViewController () <ASAuthorizationControllerDelegate, ASAuthorizationControllerPresentationContextProviding>
+@end
+
+@implementation MainViewController (Passkey)
+
+- (StaticContentTableViewSection *)passkeySection {
+  __weak typeof(self) weakSelf = self;
+  return [StaticContentTableViewSection sectionWithTitle:@"Passkey" cells:@[
+    [StaticContentTableViewCell cellWithTitle:@"Sign Up With Passkey"
+                                       action:^{ [weakSelf passkeySignUp]; }],
+    [StaticContentTableViewCell cellWithTitle:@"Sign In With Passkey"
+                                       action:^{ [weakSelf passkeySignIn]; }],
+    [StaticContentTableViewCell cellWithTitle:@"Enroll with Passkey"
+                                       action:^{ [weakSelf passkeyEnroll]; }],
+  ]];
+}
+
+- (void)passkeySignUp {
+  // sign in anoymously
+  [[AppManager auth] signInAnonymouslyWithCompletion:^(FIRAuthDataResult *_Nullable result,
+                                                       NSError *_Nullable error) {
+    if (error) {
+      [self logFailure:@"sign-in anonymously failed" error:error];
+    } else {
+      [self logSuccess:@"sign-in anonymously succeeded."];
+      [self log:[NSString stringWithFormat:@"User ID : %@", result.user.uid]];
+      [self passkeyEnroll];
+    }
+  }];
+}
+
+- (void)passkeyEnroll {
+  FIRUser *user = FIRAuth.auth.currentUser;
+  if (!user) {
+    [self logFailure:@"Please sign in first." error:nil];
+    return;
+  }
+  [self showTextInputPromptWithMessage:@"passkey name"
+                          keyboardType:UIKeyboardTypeEmailAddress
+                       completionBlock:^(BOOL userPressedOK, NSString *_Nullable passkeyName) {
+    if (@available(iOS 16.0, macOS 12.0, tvOS 16.0, *)) {
+      [user startPasskeyEnrollmentWithName:passkeyName completion:^(ASAuthorizationPlatformPublicKeyCredentialRegistrationRequest * _Nullable request, NSError * _Nullable error) {
+        if (request) {
+          ASAuthorizationController *controller = [[ASAuthorizationController alloc] initWithAuthorizationRequests: [NSMutableArray arrayWithObject:request]];
+          controller.delegate = self;
+          controller.presentationContextProvider = self;
+          [controller performRequests];
+        } else if (error) {
+          [self logFailure:@"Passkey enrollment failed" error:error];
+        }
+      }];
+    } else {
+      [self log:@"OS version is not supported for this action."];
+    }
+  }];
+
+}
+
+- (void)passkeySignIn {
+  if (@available(iOS 16.0, macOS 12.0, tvOS 16.0, *)) {
+    [[AppManager auth] startPasskeySignInWithCompletion:^(ASAuthorizationPlatformPublicKeyCredentialAssertionRequest * _Nullable request, NSError * _Nullable error) {
+      if (request) {
+        ASAuthorizationController *controller = [[ASAuthorizationController alloc] initWithAuthorizationRequests: [NSMutableArray arrayWithObject:request]];
+        controller.delegate = self;
+        controller.presentationContextProvider = self;
+        [controller performRequestsWithOptions:ASAuthorizationControllerRequestOptionPreferImmediatelyAvailableCredentials];
+      }
+    }];
+  } else {
+    [self log:@"OS version is not supported for this action."];
+  }
+}
+
+//- (ASPresentationAnchor)presentationAnchorForAuthorizationController:(ASAuthorizationController *)controller API_AVAILABLE(ios(13.0)){
+//
+//    return self.view.window;
+//}
+
+@end
+
+NS_ASSUME_NONNULL_END

FirebaseAuth/Tests/Sample/Sample/MainViewController.m

@@ -40,6 +40,7 @@
 #import "UIViewController+Alerts.h"
 #import "UserInfoViewController.h"
 #import "UserTableViewCell.h"
+#import "MainViewController+Passkey.h"
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -252,6 +253,8 @@ - (void)updateTable {
       [weakSelf oobSection],
       // Auto Tests
       [weakSelf autoTestsSection],
+      // Passkey
+      [weakSelf passkeySection],
     ]];
 }
 

FirebaseAuth/Tests/Sample/Sample/UserInfoViewController.m

@@ -17,6 +17,7 @@
 #import "UserInfoViewController.h"
 
 #import <FirebaseAuth/FIRUser.h>
+#import <FirebaseAuth/FIRPasskeyInfo.h>
 #import <FirebaseAuth/FIRUserInfo.h>
 #import <FirebaseAuth/FIRUserMetadata.h>
 #import "StaticContentTableViewManager.h"
@@ -74,6 +75,8 @@ - (void)loadTableView {
                                           value:stringWithBool(_user.emailVerified)],
       [StaticContentTableViewCell cellWithTitle:@"refresh token" value:_user.refreshToken],
       [StaticContentTableViewCell cellWithTitle:@"multi factor" value:[self multiFactorString]],
+      [StaticContentTableViewCell cellWithTitle:@"passkeys" value:[self passkeysString]],
+
     ]]
   ] mutableCopy];
   [sections addObject:[self sectionWithUserInfo:_user]];
@@ -108,4 +111,16 @@ - (NSString *)multiFactorString {
   return string;
 }
 
+- (NSString *)passkeysString {
+  NSMutableString *string = [NSMutableString string];
+
+  for (FIRPasskeyInfo *info in _user.enrolledPasskeys) {
+    [string appendString:info.name];
+    [string appendString:@" - "];
+    [string appendString:info.credentialID];
+  }
+
+  return string;
+}
+
 @end